Stack Overflow
Stack Overflow

Questions tagged [opendap]

Stands for "Open-source Project for a Network Data Access Protocol"

"Open-source Project for a Network Data Access Protocol"

Home: https://www.opendap.org/
Wikipedia: https://en.wikipedia.org/wiki/OPeNDAP

44 questions
0
votes
1 answer

How to download and subset netCDF files from NCEI THREDDS server

I am trying to download and subset the files located here: https://www.ncei.noaa.gov/thredds-ocean/catalog/ncei/archive/data/0129374/daily/catalog.html, but I'm not sure if I'm doing something wrong or if there is something wrong with the link. This…
pbreach
  • 16,049
  • 27
  • 82
  • 120
0
votes
1 answer

Access OPeNDAP data using netcdf-java library or other method in java

I'm trying to access data from the NOAA nomads server in my Java Spring Boot application. https://nomads.ncep.noaa.gov:9090/dods/wave/mww3 I've been trying to use the Netcdf-java library to access the data via OPeNDAP. As per the docs (…
Jules
  • 1
0
votes
0 answers

Why I can't download the file on a specific grid with an URL OpendDap on R studio?

:D I'm trying to download many files with OpenDap in R software but I have a problem ... Indeed, I want to download all files of GHRSST Level 4 MUR Global Foundation Sea Surface Temperature Analysis (v4.1)from 2002 to 2018 because I need to get the…
Alexandre MODI
  • 1
0
votes
1 answer

Get aggregated data from OPenDAP ncml that requires authentication using R

I'm trying to get TRMM data from NASA OPenDAP server using the raster package in R. Initially I had some difficulty regarding authentication, but that issue was resolved. NASA OPenDAP server publishes TRMM 3B42_daily data as individual files, one…
Daniel
  • 462
  • 3
  • 13
0
votes
1 answer

Extract Data from OpenDAP Dataset for multi dimensional variables

I am creating an API that would extract data from an ocean dataset I am using netCDF4 python module to work with this data. There is a multi dimensional variable vozocrtx with input params time_counter, deptht, y, x. As per the documentation if I…
Afsan Abdulali Gujarati
  • 1,375
  • 3
  • 18
  • 30
0
votes
1 answer

xarray: rolling mean of dask array conflicting sizes for data and coordinate in rolling operation

I am trying to do a rolling mean to a dask array within xarray. My issue may lay in the rechunking before the rolling mean. I am getting a ValueError of conflicting sizes between data and coordinates. However, this arises within the rolling…
Ray Bell
  • 1,508
  • 4
  • 18
  • 45
0
votes
1 answer

How can I install Python Pydap util module (pydap.util)

What i installed I installed Pydap on my Ubuntu using: sudo pip install Pydap If I understand properly output of the pip search pydap command, I have all Pydap modules installed properly. But to be 100% sure I also typed: sudo apt-get install…
matandked
  • 1,527
  • 4
  • 26
  • 51
0
votes
1 answer

Using python3.4 and opendap - import error

I am a python newbie and I am using pydap to download atmospheric data from a thredds server. I am running python 3.4 but I believe pydap has been installed using python2.7. When I run this I get the following message - Traceback (most recent…
gansub
  • 1,164
  • 3
  • 20
  • 47
0
votes
1 answer

Using Javascript to make parallel server requests THREDDS OPeNDAP

For the following THREDDS OPeNDAP server: http://data.nodc.noaa.gov/thredds/catalog/ghrsst/L2P/MODIS_T/JPL/2015/294/catalog.html I would like to note four Attributes of every file in there. The attributes are: northernmost lattitude; easternmost…
user5612440
  • 1
0
votes
2 answers

THREDDS OPeNDAP speed Matlab

Using the following code in Matlab: nc_file_list = {'http://data.nodc.noaa.gov/thredds/dodsC/ghrsst/L2P/MODIS_A/JPL/2015/287/20151014-MODIS_A-JPL-L2P-A2015287235500.L2_LAC_GHRSST_D-v01.nc.bz2'}; temp.sl =…
InteressantPunt
  • 145
  • 4
0
votes
1 answer

Loading OPeNDAP served netcdf file using ncdf4 in R under Windows

I have a script that downloads NetCDF data from an OPeNDAP server using the package ncdf4. The script works on my Mac laptop but fails on my Windows 7 desktop. On both machines, I am using the latest available version of R and ncdf4 (on Windows,…
Barbara
  • 188
  • 1
  • 8
0
votes
1 answer

HDF5 access restrictions on data subsets

Short question: Is there a way to allow different user permissions/ access restrictions in HDF5? We are currently thinking of setting up a Hyrax server providing different users with HF5 files. However, some users should only be allowed to grab…
user1356695
  • 217
  • 1
  • 4
  • 13
0
votes
0 answers

enabling flags on an apt-get installed package (libnetcdf-dev)

Hopefully this is a really easy question, but I am having trouble working it out - I am installing a program which requires netcdf version 4 or later with DAP enabled. I already have libnetcdf-dev installed via apt-get. How can I check whether DAP…
BexERoss
  • 5
  • 4
0
votes
1 answer

Get NcML from OPeNDAP server

Unidata's ToolsUI (java GUI program) can generate NcML from OPeNDAP dataset link, and ncdump command line utility can too. I'm wondering if it's possible to output NcML from web service, either as OPeNDAP feature or a separate web service that can…
theta
  • 24,593
  • 37
  • 119
  • 159
1 2
3